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20 terms

ch 24 pt 3

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poliomyelitis
poliovirus is the causitive agent. Transmitted more often by drinking contaminated water(vehical). Signs and symptoms from the destruction of neurons.
-asymptomatic infections
-minor polio has nonspecific symptoms
-nonparalytic polic, muscle spasms and back pain
-paralytic polio
postpolio syndrome
recurrence later in life of some polio symptoms in individuals who have had poliomyelitis and have recovered from it
asymptomatic polio
most common polio (90%)
transmissible spongiforme encephalopathies
prion diseases convert normal proteins to more infectious prions. Damage brain tissue imparting a spongy appearance. sometimes symptoms may take years to develop and there is no treatment. INCLUDES creutzfield-jakob disease, mad cow, kuru, and scrapie
prion, spongy, treatment
transmissible spongiforme encephalopathies:: ____ diseases convert normal proteins to more infectious prions. Damage brain tissue imparting a ___ appearance. sometimes symptoms may take years to develop and there is no____. INCLUDES creutzfield-jakob disease, mad cow, kuru, and scrapie
creutzfield-jakob disease
most common transmissibe spongiforme encephalopathies disease. Mostly ages 50-75. may have a genetic predispositon
mad cow disease
transmissibe spongiforme encephalopathies disease: also called bovine spongiform encephalopathy. Infected cattly. outbreak in Europe and Canada in early 2000s
bovine spongiform encephalopathy
mad cow disease=
kuru
transmissibe spongiforme encephalopathies disease:: New guinean women following the preparation of bodies for ritualistis cannibalism
scrapie
transmissibe spongiforme encephalopathies disease:: genetically suscepitible sheep grazing in contaminated fields. no evidence of transmission to humans
protozoan diseases of the nervous system
include african sleeping sickness and primary amebic meningoencephalitis
african sleeping sickness, endemic
____=caused by the protozoan Trypanosoma. transmitted via tsetse fly and is an _____ to equatorial Africa. Enter the blood and lymph nodes with a high rate of surface proteins changes. Can later invade the central nervous system and cause continuous sleeping, the patient enters a coma before dying. Diagnosis by microscopy of tissue biopsy
protozoan trypanosoma, tsetse fly, CNS, sleeping, tissue biopsy
AFRICAN SLEEPING SICKNESS caused by the ________ transmitted via ____ and is an endemic to equatorial Africa. Enter the blood and lymph nodes with a high rate of surface proteins changes. Can later invade the ______ and cause continuous _____, the patient enters a coma before dying. Diagnosis by microscopy of ____
primary amebic meningoencephalitis (PAM)
flaggellated protozoan called Naegleria fowleri that has sucker-like structures that literally eats the BRAIN TISSUE. Warm fresh water and soils; in colder temperatures they are Cysts. Low incidence but about 3 people per year are infected in the US after swimming in natural waters. Early symptoms are similar to bacterial meningitis but later symptoms include confusion and seizures
flaggellated, naegleria fowleri, sucker, brain tissue, meningitis
PRIMARY AMEBIC MENINGOENCEPHALITIS(PAM):: ____ protozoan called ____ that has ____r-like structures that literally eats the _____. Warm fresh water and soils; in colder temperatures they are Cysts. Low incidence but about 3 people per year are infected in the US after swimming in natural waters. Early symptoms are similar to bacterial ____ but later symptoms include confusion and seizures
PAM
entry into the brain through nasal cavity can cause disease. usually fatal, amphotericin B is not very effective. No vaccine. Prevention by not allowing these waters to enter the nasal cavity
brain, nasal cavity, vaccine
Primary amebic meningoencephalitis:: entry into the ____ through_____ can cause disease. usually fatal, amphotericin B is not very effective. No ____. Prevention by not allowing these waters to enter the nasal cavity
listeria monocytogenes
a foodborne pathogen that can cause meningitis =
mycobacterium leprae
____= the only bacterial species known to destory peripheral nerve cells
west nile virus
__= an emerging viral encephalitis that had recentally spread across the US